sgs2 update problem with kies

[ups123]

I have sgs2 GT-I9100 G when i triyng to update firmware using kies it shows "Your divice?s current firmware version is not not supporetd to update firmware via kies" what should i do about this problem

 

[PC Medic]

Had the same problem last week with my S2 IGH-777.
Updated Kies and all is well again.